This Delaware River bridge is emblazoned with a catty slogan from a more prosperous time.

Sections of the iconic limestone columns have been left uncleaned as a reminder of the city's polluted past.

Pennsylvania's highest point is spotted with boulders which were pushed to the surface by nothing but cold.

A mine fire has been burning under the deserted town since 1962, but this church is still going strong.

The Pennsylvania landscape depicted by a quarter mile of mosaics made from used road signs.

The only way to see Pittsburgh is from the top of this lookout point, just like the ancient members of the native peoples did.

There aren't too many operational funiculars around, but Pittsburgh has two!

The remains of a community that was forced to move for a dam that never materialized still rot in this Pennsylvania park.

The largest university building in the West is a gothic masterpiece containing dozens of theme rooms based on different countries.

A failed piece of Orientalism has become the proud symbol of a community.

The United States’s oldest funicular railway glides up and down a steep Pittsburgh street.

An abandoned stretch of highway, deteriorating next to the operational one.

A toxic ghost town sitting atop a massive coal fire.

These powerful, if squat, Canadian waterfalls flow in different directions depending on the time of day.

The first bridge observation tower in the U.S. offers one of the best views of Maine.

This 19th century granite fortification is one of the most well preserved forts in New England.

The world's oldest and largest museum of mass transit vehicles.

The Vermont square that inspired Shirley Jackson's "The Lottery."

Lake Champlain Bridge, the recently demolished and rebuilt bridge where they filmed "What Lies Beneath".

Small rustic cabin nested in the mountains of Killington, Vermont.

An artist sees trees as a medium for sculpture.

A classic roadside attraction on Vermont's historic Route 5.

The highest peak in the state of Vermont has some interesting features.

This unusual building straddles two countries.